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Online Tests
Chemistry Fsc Part 2 Chapter 3 Online Test MCQs With Answers
Question # 1
Which one of the following elements exhibits s-inert pair effect.
Choose an answer
B
Al
Pb
Sc
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Question # 2
Which are correct oxidation states for lead
Choose an answer
+1, +2
+3 , +5
+2 ,+4
+4 only
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Question # 3
The composition of white lead is
Choose an answer
PbCO3.Ph(OH)2
PbCO3.2Pb(OH)2
2PbCO3.Pb(OH)2
PbCO3
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Question # 4
In which substance silicon is not present.
Choose an answer
Talc
Asbestos
Dolomite
Zirocon
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Question # 5
Which electronic configuration corresponds to an element of group III-A of the Periodic Table
Choose an answer
1s
2
,2s
2
,2p
6
,3s
2
,3p
1
1s
2
,2s
2
,2p
6
,3s
2
,3p
6
,4s
6
1s
2
,2s
2
,2p
6
1s
2
,2s
2
,3s
2
,3p
3
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Question # 6
Which substance is water repellant and used in ceramic insulators.
Choose an answer
Asbestos
Lead compounds
Silicon carbide
silicones
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Question # 7
A solution of borax in water is.
Choose an answer
Acidic
Alkaline
Neutral
None of these
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Question # 8
Chemical composition of colemanite is
Choose an answer
Ca
2
B
6
O
11
. 5H
2
O
CaB
4
O
7
. 4H
2
O
Na
2
B
4
O
7
.4H
2
O
CaNaB
5
O
9
. 8H
2
O
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Question # 9
The chief of aluminum is
Choose an answer
Na
3
AlF
6
Al
2
O
3
.2H
2
O
Al
2
O
3
Al
2
O
3
.H
2
O
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Question # 10
Litharge is chemically
Choose an answer
PbO
PbO2
Pb3O4
Pb(CH3COO)2
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Question # 11
Aluminium is used for making petrol and milk storage tanks because it is
Choose an answer
Conductor
Non magnetic
Excellent reflected
Corrosion resistant
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Question # 12
Boric acid is used as eye wash due to its
Choose an answer
Weakly acidic property
Antiseptic nature
Antibiotic nature
Weakly basic properties
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Question # 13
Which is used in the leather industry
Choose an answer
Borax
Boric acid
Boric oxide
Tetra Boric acid
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Question # 14
Which metal is used in the thermite process because of its activity.
Choose an answer
Iron
Copper
Aluminium
Zinc
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Question # 15
Corundum is
Choose an answer
Al2O3
Na2AlF6
Quartz
Calcium
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